Samsung Gear S2 (3G SM-R730A) vs Samsung Gear S (3G SM-R750A)
Side by side comparison between Samsung Gear S2 vs Samsung Gear S smartwatches, differences, pros, cons and full specifications. What's the better?
,
1.2"
AMOLED
AMOLED
360x360
N/A
512MB
RAM
RAM
Dual-core
300
mAh
mAh
(Non removable)
vs
2"
AMOLED
AMOLED
360x480
N/A
512MB
RAM
RAM
Dual-core
300
mAh
mAh
(Non removable)
What's the better smartwatch? Samsung Gear S (3G SM-R750A)
The phonemore's choice is much more technical than personal. Therefore, you shouldn't only consider this. Our goal is to help you, but what's important to us may not be important to you. You decide which one is the best! Comment!
 5 Advantages Samsung Gear S2 (3G SM-R730A) | vs |  7 Advantages Samsung Gear S (3G SM-R750A) |
| +1GHz 32bit Dual-core24% More powerful processor, you can open your applications faster | vs | 1GHz 32bit Dual-core |
| +51 grams (1.79 ounces)31% Lighter | vs | 67 grams (2.35 ounces) |
| +424 PPI41% Crisper display of text, images and videos because it has more pixels per inch (ppi) | vs | 300 PPI |
| +Tizen 2.3.2Advantage Tizen 2.3.2 is newer and safer | vs | Tizen 2.3 |
| +NFCAdvantage NFC allows you to make payments by approach quickly and securely | vs | Not supported |
| 13.4 millimeters (0.53 inches) | vs | +12.5 millimeters (0.49 inches)7% Thinner |
| 360x360 pixels | vs | +360x480 pixels33% Higher resolution screen |
| 1.2" | vs | +2"67% Larger screen |
| Not supported | vs | +CompassAdvantage Sensors help you use the device |
| Not supported | vs | +Proximity sensorAdvantage Sensors help you use the device |
| Not supported | vs | +UV radiationAdvantage Sensors help you use the device |
| Not supported | vs | +MicroUSB 2.0Advantage Newer and faster USB version for transferring photos, mp3 or data. |
| 21 Common items in both devices |
| 512MB |
| 4GB (2GB available) |
| Super AMOLED |
| 16 million |
| 3G+ HSPA+ |
| 21 Mbps |
| Capacitive |
| +14 specs and more in the table below |
Check the comparison table below for more items that are not evaluated in comparison score above.
Highlight differences Clear highlight📱 Model features | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| Model | Gear S2 (3G SM-R730A) | Gear S (3G SM-R750A) |
| Other model names | AT&T Samsung Gear S2 SM-R730A, Samsung Orbis | AT&T Samsung Gear S SM-R750A, Samsung SM-R750A |
| Country or region available |  USA | USA |
| Brand | Samsung | Samsung |
| Release date | 11/1/2015 | 11/1/2014 |
| Depth | 13.4 millimeters (0.53 inches) | 12.5 millimeters (0.49 inches) |
| Size (width x height) | 44 x 51.8 millimeters (1.73 x 2.04 in) | 39.9 x 58.1 millimeters (1.57 x 2.29 in) |
| Weight | 51 grams (1.79 ounces) | 67 grams (2.35 ounces) |
| Build, materials | feature not registered | feature not registered |
| Protection against water and others | Waterproof (IP?) | Waterproof (IP?) |
📲 Display | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| Display type | Super AMOLED | Super AMOLED |
| Screen size | 1.2" inches | 2" inches |
| Screen-to-body ratio | ~20.4% (screen-to-body ratio) | ~53.4% (screen-to-body ratio) |
| Display resolution | 360x360 pixels | 360x480 pixels |
| Touchscreen | Capacitive Multitouch | Capacitive Multitouch |
| Pixel density (dot pitch) | 424 PPI | 300 PPI |
| Colors | 16 million | 16 million |
| Scratch-resistant glass | Gorilla Glass 3 | Gorilla Glass 3 |
| Refresh rate | feature not registered | feature not registered |
| Display features | feature not registered | feature not registered |
🤖 Operating System | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| System version | Tizen 2.3 | Tizen 2.3 |
| Firmware update | Tizen 2.3.2 | feature not registered |
| User Interface | feature not registered | feature not registered |
⚙️ Processor | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| Chipset | 32bit: Qualcomm Snapdragon 400 MSM8x26 | 32bit: Samsung Exynos 4212 |
| CPU | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A7 (Dual-core) | Dual-core, 1 processor: 2x 1GHz ARM Cortex-A9 (Dual-core) |
| GPU graphical controller | Qualcomm Adreno 305 | ARM Mali-400 MP4 400Mhz |
| Performance (benchmark) | feature not registered | feature not registered |
💽 Memory and storage | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| RAM memory | 512MB | 512MB |
| Internal storage | 4GB (2GB available) | 4GB (2GB available) |
| External storage | Not supported | Not supported |
📶 Mobile networks | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| Dual-SIM | Not supported | Not supported |
| SIM card | 1 slot (Single-SIM) e-SIM (Eletronic) | 1 slot (Single-SIM) nano-SIM (4FF) |
| Maximum Download / Upload | 21/5.76 Mbps | 21/5.76 Mbps |
| Network technology | 2G, 3G | 2G, 3G |
| Frequency, bands | Expand band details Collapse details | |
| GSM MHz band | Dual-Band 850/1900 | Dual-Band 850/1900 |
| Primary 2G network | GSM 850/1900 | GSM 850/1900 |
| Primary 3G network | UMTS 850/1900 | UMTS 850/1900 |
| Primary 4G network | Not supported | Not supported |
| Primary 5G network | Not supported | Not supported |
| Primary data network | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ | GPRS, EDGE, UMTS, HSDPA, HSUPA, HSPA+ |
| Secondary 2G network | Not supported | Not supported |
| Secondary 3G network | Not supported | Not supported |
| Secondary 4G network | Not supported | Not supported |
| Secondary data network | Not supported | Not supported |
📷 Camera | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| Back camera (main camera) | Not supported | Not supported |
| Main camera resolution | Not supported | Not supported |
| Video recording (primary) | Not supported | Not supported |
| Flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
| Autofocus | Not supported | Not supported |
| Touch focus | Not supported | Not supported |
| Image stabilization | feature not registered | feature not registered |
| Zoom | Not supported | Not supported |
| Face/smile detection | Not supported | Not supported |
| BSI sensor | Not supported | Not supported |
| HDR | Not supported | Not supported |
| Camera extras | feature not registered | feature not registered |
📸 Front camera | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| Front camera (secondary) | Not supported | Not supported |
| Front camera resolution | Not supported | Not supported |
| Video recording (secondary) | Not supported | Not supported |
| Front flash | Not supported | Not supported |
| Focal aperture | feature not registered | feature not registered |
| Focal length | feature not registered | feature not registered |
| Sensor size | feature not registered | feature not registered |
| Pixel size | feature not registered | feature not registered |
🔉 Sound and multimedia | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| Loudspeaker | Supported | Supported |
| Active noise cancellation | Not supported | Not supported |
| Radio | Not supported | Not supported |
| TV | Not supported | Not supported |
| Video formats | feature not registered | feature not registered |
| Audio formats | MP3, WAV, WMA, eAAC+ | MP3, WAV, WMA, eAAC+ |
🔌 Connectivity | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| USB | Not supported | MicroUSB 2.0 |
| Audio output | Not supported | Not supported |
| TV output | Not supported | Not supported |
| Bluetooth | 4.1 + A2DP | 4.1 + A2DP |
| WiFi | 802.11 b/g/n [wifi4] (2.4GHz) | 802.11 b/g/n [wifi4] (2.4GHz) |
| DLNA | Not supported | Not supported |
| GPS | A-GPS, GeoTagging | A-GPS, GeoTagging, GLONASS |
| NFC | Supported | Not supported |
| Infrared port | Not supported | Supported |
🧭 Sensors | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| Sensors | Accelerometer Ambient light sensor Barometer Gyroscope Heart rate | Accelerometer Ambient light sensor Barometer Compass Gyroscope Heart rate Proximity sensor UV radiation |
| Vibrating alert | Supported | Supported |
🔋 Battery | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| Battery type | Li-Ion: lithium-ion (Non removable) | Li-Ion: lithium-ion (Non removable) |
| Battery capacity | 300 mAh | 300 mAh |
| Charger, watts | Wired charging | Wired charging |
| Inductive / wireless charging | feature not registered | feature not registered |
| Talk time autonomy | 5 hours | 5 hours |
| Standby | 48 hours (2 days) | 96 hours (4 days) |
➕ Other features | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| Call control | Voice dialing, Voice recorder, Voice commands | Voice dialing, Voice recorder, Voice commands |
| Messaging | SMS, MMS, E-mail | SMS (T9), E-mail |
| Hands-free calling | Supported | Supported |
| Video calling | Not supported | Not supported |
| Ringtones | Polyphonic and customized | Polyphonic and customized |
| Web browser | Not supported | Not supported |
| Antenna | Internal antenna | Internal antenna |
| Qwerty physical keyboard | Not supported | Not supported |
| Miscellaneous | • Colors: Black, White • Stainless Steel body • Samsung Pay • S-Voice, S-Health • Wireless Charging (Qi) • IP68 certified: dust and water resistant up to 1.5m and 30min | • Colors: Black, White • S-Voice • S-Health • IP67 certified: dust and water resistant up to 1 meter and 30min |
☢️ Radiation rate | ||
| Samsung Gear S2 (3G SM-R730A) | Samsung Gear S (3G SM-R750A) | |
| SAR 1.6W/kg (USA, Mexico, etc.) | 0.737W/kg (head), 0.893W/kg (body) | 0.92W/kg (head), 0.91W/kg (body) |
| SAR 2W/kg (Europe, UK, etc.) | feature not registered | feature not registered |